823005540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1019}}^1$

素因数の和:1682

約数の個数: 144

約数和(自身を含む): 2860341120

約数和(自身を除く): 2037335580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 641, 1019, 1260, 1282, 1923, 2038, 2564, 3057, 3205, 3846, 4076, 4487, 5095, 5769, 6114, 6410, 7133, 7692, 8974, 9171, 9615, 10190, 11538, 12228, 12820, 13461, 14266, 15285, 17948, 18342, 19230, 20380, 21399, 22435, 23076, 26922, 28532, 28845, 30570, 35665, 36684, 38460, 40383, 42798, 44870, 45855, 53844, 57690, 61140, 64197, 67305, 71330, 80766, 85596, 89740, 91710, 106995, 115380, 128394, 134610, 142660, 161532, 183420, 201915, 213990, 256788, 269220, 320985, 403830, 427980, 641970, 653179, 807660, 1283940, 1306358, 1959537, 2612716, 3265895, 3919074, 4572253, 5878611, 6531790, 7838148, 9144506, 9797685, 11757222, 13063580, 13716759, 18289012, 19595370, 22861265, 23514444, 27433518, 29393055, 39190740, 41150277, 45722530, 54867036, 58786110, 68583795, 82300554, 91445060, 117572220, 137167590, 164601108, 205751385, 274335180, 411502770, 823005540]

約数ペア:

[(1, 823005540), (2, 411502770), (3, 274335180), (4, 205751385), (5, 164601108), (6, 137167590), (7, 117572220), (9, 91445060), (10, 82300554), (12, 68583795), (14, 58786110), (15, 54867036), (18, 45722530), (20, 41150277), (21, 39190740), (28, 29393055), (30, 27433518), (35, 23514444), (36, 22861265), (42, 19595370), (45, 18289012), (60, 13716759), (63, 13063580), (70, 11757222), (84, 9797685), (90, 9144506), (105, 7838148), (126, 6531790), (140, 5878611), (180, 4572253), (210, 3919074), (252, 3265895), (315, 2612716), (420, 1959537), (630, 1306358), (641, 1283940), (1019, 807660), (1260, 653179), (1282, 641970), (1923, 427980), (2038, 403830), (2564, 320985), (3057, 269220), (3205, 256788), (3846, 213990), (4076, 201915), (4487, 183420), (5095, 161532), (5769, 142660), (6114, 134610), (6410, 128394), (7133, 115380), (7692, 106995), (8974, 91710), (9171, 89740), (9615, 85596), (10190, 80766), (11538, 71330), (12228, 67305), (12820, 64197), (13461, 61140), (14266, 57690), (15285, 53844), (17948, 45855), (18342, 44870), (19230, 42798), (20380, 40383), (21399, 38460), (22435, 36684), (23076, 35665), (26922, 30570), (28532, 28845)]